Contour-based approach for 3D mapping of underwater galleries

Massone, Quentin; Druon, Sébastien; Breux, Yohan; Triboulet, Jean

doi:10.1109/ieeeconf38699.2020.9388982

Cited by 5 publications

(2 citation statements)

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“…As the camera is calibrated, rotation and translation can be estimated from the homography. To extract the ellipse from the image, a contour detection method is used, presented in [ 44 , 45 ]. Then, from the contour points obtained, the best ellipse is estimated using the method of [ 46 ], which is based on least squares optimisation.…”

Section: Methodsmentioning

confidence: 99%

A Novel 3D Reconstruction Sensor Using a Diving Lamp and a Camera for Underwater Cave Exploration

Massone,

Druon,

Triboulet

2024

Sensors

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Aquifer karstic structures, due to their complex nature, present significant challenges in accurately mapping their intricate features. Traditional methods often rely on invasive techniques or sophisticated equipment, limiting accessibility and feasibility. In this paper, a new approach is proposed for a non-invasive, low-cost 3D reconstruction using a camera that observes the light projection of a simple diving lamp. The method capitalizes on the principles of structured light, leveraging the projection of light contours onto the karstic surfaces. By capturing the resultant light patterns with a camera, three-dimensional representations of the structures are reconstructed. The simplicity and portability of the equipment required make this method highly versatile, enabling deployment in diverse underwater environments. This approach is validated through extensive field experiments conducted in various aquifer karstic settings. The results demonstrate the efficacy of this method in accurately delineating intricate karstic features with remarkable detail and resolution. Furthermore, the non-destructive nature of this technique minimizes disturbance to delicate aquatic ecosystems while providing valuable insights into the subterranean landscape. This innovative methodology not only offers a cost-effective and non-invasive means of mapping aquifer karstic structures but also opens avenues for comprehensive environmental monitoring and resource management. Its potential applications span hydrogeological studies, environmental conservation efforts, and sustainable water resource management practices in karstic terrains worldwide.

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Section: Methodsmentioning

confidence: 99%

A Novel 3D Reconstruction Sensor Using a Diving Lamp and a Camera for Underwater Cave Exploration

Massone,

Druon,

Triboulet

2024

Sensors

Self Cite

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show abstract

“…To extract the ellipse from the image, we again use the contour detection method presented in [26,27].…”

Section: D Point Generation For Cone Estimationmentioning

confidence: 99%

A Novel 3D Reconstruction Sensor Using a Diving Lamp and a Camera for Underwater Cave Exploration

Massone,

Druon,

Triboulet

2024

Preprint

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Aquifer karstic structures, due to their complex nature, present significant challenges in accurately mapping their intricate features. Traditional methods often rely on invasive techniques or sophisticated equipment, limiting accessibility and feasibility. In this paper, we propose a new approach to non-invasive, low-cost 3D reconstruction using a camera that observes the light projection of a simple diving lamp. Our method capitalizes on the principles of structured light, leveraging the projection of light contours onto the karstic surfaces. By capturing the resultant light patterns with a camera, we reconstruct three-dimensional representations of the structures. The simplicity and portability of the equipment required make this method highly versatile, enabling deployment in diverse underwater environments. We validate our approach through extensive field experiments conducted in various aquifer karstic settings. The results demonstrate the efficacy of our method in accurately delineating intricate karstic features with remarkable detail and resolution. Furthermore, the non-destructive nature of this technique minimizes disturbance to delicate aquatic ecosystems while providing valuable insights into the subterranean landscape. This innovative methodology not only offers a cost-effective and non-invasive means of mapping aquifer karstic structures but also opens avenues for comprehensive environmental monitoring and resource management. Its potential applications span hydrogeological studies, environmental conservation efforts, and sustainable water resource management in karstic terrains worldwide.

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Real-time Underwater 3D Reconstruction Method Based on Stereo Camera

Hou

2022

2022 IEEE International Conference on Mechatronics and Automation (ICMA)

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Contour-based approach for 3D mapping of underwater galleries

Cited by 5 publications

References 25 publications

A Novel 3D Reconstruction Sensor Using a Diving Lamp and a Camera for Underwater Cave Exploration

A Novel 3D Reconstruction Sensor Using a Diving Lamp and a Camera for Underwater Cave Exploration

A Novel 3D Reconstruction Sensor Using a Diving Lamp and a Camera for Underwater Cave Exploration

Real-time Underwater 3D Reconstruction Method Based on Stereo Camera

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